| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | febro | febroj |
| Accusative | febron | febrojn |
| Afrikaans | koors |
|---|---|
| Catalan | febre |
| Czech | horečka; zimnice |
| Danish | feber |
| Dutch | koorts |
| English | fever; ague |
| Faeroese | fepur; hitasótt; hiti |
| Finnish | kuume |
| French | fièvre |
| German | Fieber |
| Italian | febbre |
| Latin | febris |
| Malay | demam |
| Papiamento | keintura |
| Polish | gorączka |
| Portuguese | febre |
| Saterland Frisian | Bieuwenge; Fiewer |
| Spanish | fiebre |
| Sranan | korsu |
| Swahili | homa |
| Swedish | feber |
| Thai | ไข้ |
| Turkish | ateş |